Card Set Information
MRA Imaging Clinical Application
What type of pulse sequence is used in MR angiography?
gradient echo pulse sequence
What is used in TOF MRA sequences?
T1 gradient echoes
What is Used in PC MRA sequences?
T2 gradient echoes
Where are blood flow velocities greater?
Center of the vessel
What is an AVM?
connection/tangling between arteries and veins
What is Laminar flow?
Blood flow that is at different but consistent velocities across a vessel
What is spiral flow?
Blood flow where the direction of flow is spiral
Blood flow that is initially laminar, then intersects a vessel stricture and becomes high velocity central flow and spiral near walls